Speakerphone



FIG. 1 is a top perspective view of the speakerphone;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front plan view thereof, the rear being a mirror image;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings depict portions of the speakerphone that form no part of the claimed design. 

CLAIM The ornamental design for a speakerphone, as shown and described. 